The 2019 Lexus GX 460 is a rugged, three-row luxury SUV built on a durable body-on-frame platform shared with the Toyota 4Runner. The model line features a capable 4.6-litre V8 engine producing 301 horsepower and 329 lb-ft of torque, mated to a 6-speed automatic transmission and a full-time 4WD system.